/*
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* Copyright (c) 2019-2023 Beijing Hanwei Innovation Technology Ltd. Co. and
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* its subsidiaries and affiliates (collectly called MKSEMI).
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into an MKSEMI
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* integrated circuit in a product or a software update for such product,
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* must reproduce the above copyright notice, this list of conditions and
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* the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of MKSEMI nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* MKSEMI integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be
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* reverse engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY MKSEMI "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL MKSEMI OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "mk_timer.h"
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#include "mk_clock.h"
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#include "mk_reset.h"
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#include "mk_trace.h"
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static struct TIMER_HANDLE_T timer_handle[TIMER_MAX_NUM] = {
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{
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.base = TIMER0,
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.irq = TIMER0_IRQn,
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},
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{
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.base = TIMER1,
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.irq = TIMER1_IRQn,
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},
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};
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int timer_open(enum TIMER_DEV_T id, struct TIMER_CFG_T *config)
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{
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if ((id >= TIMER_MAX_NUM) && (config == NULL))
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{
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return DRV_ERROR;
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}
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else if (id == TIMER_ID0)
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{
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// enable TIMER0 clock
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clock_enable(CLOCK_TIMER0);
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reset_module(RESET_MODULE_TIMER0);
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}
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else if (id == TIMER_ID1)
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{
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// enable TIMER1 clock
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clock_enable(CLOCK_TIMER1);
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reset_module(RESET_MODULE_TIMER1);
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}
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timer_handle[id].int_en = config->int_en;
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timer_handle[id].callback = config->callback;
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// load
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timer_handle[id].base->RELOAD = config->load;
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// enable
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timer_handle[id].base->CTRL = TIMER_CTRL_INT_EN(config->int_en) | TIMER_CTRL_EXTIN(config->extin_type) | TIMER_CTRL_ENABLE_MSK;
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#if TIMER0_INT_MODE_EN || TIMER1_INT_MODE_EN
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if (config->int_en)
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{
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NVIC_SetPriority(timer_handle[id].irq, IRQ_PRIORITY_NORMAL);
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NVIC_ClearPendingIRQ(timer_handle[id].irq);
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NVIC_EnableIRQ(timer_handle[id].irq);
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}
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#endif
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return DRV_OK;
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}
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int timer_close(enum TIMER_DEV_T id)
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{
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if (id >= TIMER_MAX_NUM)
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{
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return DRV_ERROR;
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}
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// disable
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timer_handle[id].base->CTRL = 0;
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#if TIMER0_INT_MODE_EN || TIMER1_INT_MODE_EN
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if (timer_handle[id].int_en)
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{
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NVIC_DisableIRQ(timer_handle[id].irq);
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NVIC_ClearPendingIRQ(timer_handle[id].irq);
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}
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#endif
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if (id == TIMER_ID0)
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{
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// disable TIMER0 clock
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clock_disable(CLOCK_TIMER0);
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}
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else if (id == TIMER_ID1)
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{
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// disable TIMER1 clock
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clock_disable(CLOCK_TIMER1);
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}
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return DRV_OK;
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}
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void timer_period_set(enum TIMER_DEV_T id, uint32_t count)
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{
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ASSERT(id < TIMER_MAX_NUM, "Timer id is wrong");
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// load
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timer_handle[id].base->RELOAD = count;
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}
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uint32_t timer_count_get(enum TIMER_DEV_T id)
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{
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ASSERT(id < TIMER_MAX_NUM, "Timer id is wrong");
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return timer_handle[id].base->VALUE;
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}
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void timer_count_set(enum TIMER_DEV_T id, uint32_t count)
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{
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ASSERT(id < TIMER_MAX_NUM, "Timer id is wrong");
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// update current value
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timer_handle[id].base->VALUE = count;
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}
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void TIMER0_IRQHandler(void)
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{
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#if TIMER0_INT_MODE_EN
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enum TIMER_DEV_T id = TIMER_ID0;
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// clear
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timer_handle[id].base->INTR_CLR = TIMER_INTR_CLR_MSK;
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if (timer_handle[id].callback)
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{
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timer_handle[id].callback(&id, timer_handle[id].base->RELOAD);
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}
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#endif
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}
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void TIMER1_IRQHandler(void)
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{
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#if TIMER1_INT_MODE_EN
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enum TIMER_DEV_T id = TIMER_ID1;
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// clear
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timer_handle[id].base->INTR_CLR = TIMER_INTR_CLR_MSK;
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if (timer_handle[id].callback)
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{
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timer_handle[id].callback(&id, timer_handle[id].base->RELOAD);
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}
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#endif
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}
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